POLYFET RF DEVICES ANALOG/DIGITAL
BROADCAST TV Band-3 AMPLIFIER
TB-137 SR704 PO VS PIN F=170 MHZ; IDQ=.8A; VDS=28V
240
200
www.datasheet146u0.com
120
80
40
Efficiency = 70%
Pout
1dB compression = 160W
Gain
0
0 5 10 15
PIN IN WATTS
20
19
18
17
16
15
14
13
12
11
10
20
280
240
200
160
120
80
40
0
0
TB-137/SR704 PO VS PIN F=200 MHZ; IDQ=.8A; VDS=28V
Efficiency = 65%
1dB compression = 160W Pout
Gain
5 10
PIN IN WATTS
15
20
19
18
17
16
15
14
13
12
11
10
20
TB-137 SR704 PO VS PIN F=240 MHZ; IDQ=.8A; VDS=28V
240
16
200 15
160
Pout
14
1dB compression = 160W
120 13
Gain
80
Efficiency = 61%
40
12
11
0 10
0 5 10 15 20
PIN IN WATTS
